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(No Model.) 5 sheets-sheet 1.

O. C. BAUER. DUMPING CAR.

110.591,585. Patented Oct. 12,1897.

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Pauzennedv Oct. 12,1897.-

(No Model.) 5 Sheets-Sheet 3.

0.0111111111. DUMPING GAR.

No. 591,585. Patented 001. 12, 1897.

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l (No Model.) v' 5 Sheets-Sheet 4.

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DUMPING GAB..

Patented GotQlZ, 1897.

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5-v SheVets-Sheet 5.

O C BAUER DUMPING GAR.

110,591,585. Pate-111511051. 12,1897.

:A lllllh- I UNTTED" STATES PATENT Fries.

OTTO BAUER, OF ST. LOUIS, MISSOURI, ASSIGNOR TO THE MISSOURI OAR ANDFOUNDRY COMPANY, OF SAME PLACE.

DUMPlNG-CAR'.

SPECIFICATION forming part of Letters Patent No. 591,585, datedOctober12, 1897.

Application filed April 6, 1897. Serial No. 6311,009. (No model.)

To @ZZ whom it may con/cern,.-

Beit known that I, OTTO O. BAUER, a citizen of the United States,residing at St. Louis, in the State of Missouri, have invented certainnew and useful Improvements in Dumping-Cars and I do hereby declare thefollowing to be a full, clear, and exact description of the invention,such as Will enable others skilled in the art vto which it appertainsvto make and use the same.V

My invention relatesv particularly to that class ofdumpingcarswherein'the dumpinggear is actuatedprimarily from Va suitable source ofiuidpressure supply. Prior to my invention, so far as I am aware, noprovision has been made for dumping such power-operatedcars in the eventof failure or exhaustion of the fluid-pressure, which-is liable to occurunexpectedly from various causes. Consequently the operator isfrequently in the embarrassing dilemma of being unable to dump the carthrough the instrumentality of the fluid-pressure motive power and ofhaving no means at hand to meet the emergency.

The main purpose of my present invention is to supply this deficiency byassociating with the fluid-pressure mechanism manuallyoperatedmechanism, both of which are adapted to actuate the dumping-gear, therelationship between the two being such that the vmanually-operateddevice (which inthe form illustrated herein is out of engagement withthe dumping-gear during the period of effective action of thefiniti-pressure mech.

anism) may, upon failure of the uuid-pressure, be thrown into engagementwith said -gear and operated to dump the car by hand provements. Fig. IIis aside elevation thereof. Fig. III is an end view. Fig. IV is a detailvertical transverse section taken on the line IV IV, Fig. V. Fig. V is adetail vertical longitudinal section taken on the line V V, Fig. IV.Fig. VI is a detail Vertical longitudinal section taken on the line VIVI, Fig. III.

Fig. VII is an enlarged vertical transverse section taken' on the lineVII VII, Fig. II. Fig. VIII is a vertical transverse -section taken onthe line VIII VIII, Fig. IX. Fig. IXv is a detail vertical longitudinalsection taken on the line IX IX, Fig. VIII. Fig.

X is an enlarged detail vertical section taken on the line X X, Fig. I.Fig. XI is a detail horizontal section taken on the line XI XI, Fig.X.Fig. XII is an end view, partly in section, of the hand-operatedmechanism and friction-brake. Fig. XIII is a side view thereof, partlyin section and partly broken away. Fig. XIV is a top plan View thereof,the operating-rods being shown in section.

Similar numerals of reference indicate si milar parts throughout theseveral views.

Referring to the drawings, l represents a car-body, and 2 the trucks.The body has a rocking bearing on the bolsters 3 of the trucks by meansof racks 4 on the holsters, which mesh with racks 5, secured to theunder side of the car-body, as seen in Figs. IV and VII.

These intermeshingracks keep the car-body from slipping when dumping,anda ballandsocket bearing 7 between the racks on the car-body and thoseon the trucks permits the trucks to swivel freely with respect to thecarbody.

S represents king-bolts secured to the upper racks 5 by means oftransverse pins 9, said king-bolts passing through suitable apertures lOin the lower racks 4.

When the car is being loaded and transported, the body is held fromrocking .by means of rollers-11, journaled in boxes l2, supported fromthe bottom of the car by slides 13.

14 represent-s rods connected to the boxes 12. These rods extend to oneend of the car, where they are made fast to levers l5, pivoted to thecar-platform. l (See Figs. III and VI.) When the car is being loaded andtransported,

the boxes are between the ear-body and the bolsters, as shown by fulllines in Fig. V, and when the car is to be dumped toward the one side orthe other, as the case may be, the boxes on the dumping side of the carare drawn back to the position shown in dotted lines, Fig. V, by meansof the corresponding levers 15, the boxes thus being removed frombetween the car-body and the bolster, so that the ear-body can bedumped.

A dumping-shaft 16 extends longitudinally of the car-body and issupported by the journal-boxes 17. This shaft has a chain-wheel 1S nearcach end of the car, over which pass the chains 19, made fast at theirends to the car-body, as shown at 20, Fig. VII. The chains pass underpulleys 2l, secured to the ends of the bolsters, (see Figs. II and VIL)and they also pass under pulleys 22, journaled in castings 23, securedto the car-body.

The du mping-shaft 16 is designed normally to be rotated byfluid-pressure-as, for instance, compressed air-supplied to a slidingcylinder 24,having closed ends and suspended from a slide 25, attachedto a beam 2S of the car. Passing through the cylinder and mounted inhangers 27 is a stationary hollow pistonrod 26, bearing the piston-head29 and having ports 41 on opposite sides of the pistonhead. It will ofcourse be understood that these two ports must not communicate with eachother through the hollow piston-rod. To this end a suitable plug orpartition may be inserted in that part of the hollow piston-rod whichpasses through the piston-head, or the hollow piston-rod may be made intwo parts connected by the piston-head, but between which internalcommunication is eut off by the piston-head itself.

From one end of the hollow piston-rod eX- tcnds a pipe t3 and from theopposite end a pipe 42, said pipes being adapted to be alternatelyplaced in comm nnication with a supply-pipe il for compressed air orother .fluid under pressure, according as it is desired to drive thecylinder in one direction or the other. An appropriate multiway valve 40governs the admission of the fluid into the one pipe or the other.

The preferred means for transmitting the motive power of the cylinder tothe dumpingshaft are as follows: 30 represents a rope or cable one endof which is made fast to a hanger 3l, depending from the ear-body, andthe other end of which is made fast to one side of a grooved drum 32 ona shaft 33, journaled in a frame 31, secured to the car-body. This cable30 passes over a pulley 35, journaled to one end of the cylinder 2i.

3G represents a second cable secured by one end to a hanger 37,depending from the car-body, and the other end of which is made fast tothe opposite side of the drum 32 from the side at which the cable 30 issecured. This cable passes over a pulley 38, secured to the opposite endof the cylinder 24 from that to which the pulley is secured. The

shaft 33 has a bevel-gear connection 39 with the shaft 1G. (See Fig.IX.) It will thus be seen that the movement of the cylinder will revolvethe drum 32 and the movement of the drum will be transmitted to theshaft 1G, thereby causing the car-body to be rocked in accordance withthe direction in which the cylinder moves.

To provide against emergencies of failure of the fluid-pressure supply,the dumpingshaft is extended to one end of the car and is providedthereat with a pinion 4-5, which meshes with a pinion 4:6 upon aworm-wheel shaf t 47 The worm-wheel 58 upon said shaft is containedwithin a two-part casing 4S, provided for protecting it from injury andfrom dust and dirt, and also for containing, if need be, a body of oilwithin which the wormwheel may dip, so as to be constantly lubricated.In the casing is mounted a rocking bearing 49, within which is steppedto rotate freely the lower end of the spindle GO, carrying the worm G1and adapted to be operated by the hand-wheel 62. The casing is slottedto permit the worm to be rocked forward into engagement with theworm-wheel, as shown in full lines in Fig. XII, or to be retracted outof engagement, as shown in dotted lines in said figure. A casting havinga spring 53, lug 54, and releasing-lip 59 serves as a springcatch tolock or retain the worm in either position of adjustment.

Upon the worm-wheel shaft 457 is mounted a friction disk or drum 55,with which coperate the friction shoes 5G, connected by swin ging links,as shown, to the pivoted operating-bar 57.

lVhen the power-cylinder is employed for actuating the dumping-shaft,the retainingcasting should be raised and the worm-spindle thrown backinto the position shown in dotted lines in Fig. XII, as otherwise itwould lock the dumping-shaft against rotation by the power-cylinder.Vhen the worm is thus out of gear with the worm-wheel and when thesupply of compressed air or other fluid to the power cylinder fails, thecar may be dumped by gravity, the velocity of descent being controlledby the friction brake. Where this is not practicable or desirable, theworm is thrown forward into engagement with the worm-wheel and heldtherein by the retaining-casting, and by turning the handwhcel to theright or left the ear may be dumped as slowly as desired and no fasterthan the wheel is turned. The fluid-pressure mechanism in no wiseinterferes with the operation of the manually-operated mechanism, butmoves idly in accordance therewith, the application of the two kinds ofmechanism to the same d umping-shaft being entirely appropriate andharmonious.

In the car illustrated in the drawings the sides are hinged at 50, andin order to keep them closed until the ear has reached its intendeddumping position latch-bars 51, pivoted to levers 52, are provided, thefree ends IOO IIO

of which levers strike the truck at the appropriate period when the caris dumped and retract the -latch-bars, so that the side can swing openupon its hinges. Further along, toward a point midway of the length ofthe car, are arranged similar latches l, mounted upon latch-levers 52,having cast upon their ends y weights 52", as indicated in dotted linesin Fig. l. Prior to my invention it has been customary to connect thelatch-levers 52 and 52tm by a round rod having its bearings in eyeboltssecured to the side sills of the car, but unless the rod was made ofvery large size it would twist, and as a consequence the latch 5l wouldrelease its end of the swinging side of the car, While the gravity'latch 5la would remain in place and would require to be knocked out orreleased by hand, thereby destroying the automatic character of themechanism. To provide against this disadvantage, l make the connectingrod 5lc square in cross-section (see Fig. VII) and provide thelatch-levers 52 and 52a with cast bearings 52C, having square aperturesfor receiving the square rod 51. The cast bearings 52 are provided witha circumferential groove or recess for the reception of an encirclinground iron, forming an eyebolt, secured to the bottom of the side sillsof the car and within which the bearing is adapted to turn freely. Asthe result of this construction the connection between the latch-levers52 andthe gravity latch-levers 52a is stiff and rigid, so that anymotion imparted to the latch-levers 52 will be instantly transmitted tothe latch-levers 52, thereby allowing the v hinged side of the car toopen up at both ends at exactly the same .time and with an easy and freemotion insured by the character of the bearings. f

In order to allow the latch-bolts 5l and 5l to move more freely and torelease themselves more readily from engagement with the lower ends ofthe hinged sides of the car, I interpose between the rear edges of thelatches and the guides within which the latches move a roller 5l, said'roller being held in place by a rivet, upon which it revolves freely,thereby permitting the latch to work easily however great the pressuremay be upon the gates, and consequently against the latches themselves.

Having thus described my invention, what I claim isl. ln a dumping-car,thecombination with the car-body, of dumping-.gear therefor, apower-cylinder operatively connected with the dumping-gear, andauxiliary hand-operated mechanism for actuating the dumpinggear shouldthe power-cylinder fail.

2. In a dumping-car, the combination with the car-body, of dumping-geartherefor, a power-cylinder operatively connected with the dumping-gear,and auxiliary hand-operated mechanism for actuating the dumpinggearshould the power-cylinder fail, said handoperated mechanism beingadapted to be thrown into or out of connection with the dumping-gear, asrequired. V

3. In a dumping-car, the combination with the main dumping -shaft, of anauxiliary worm-wheel shaft geared thereto, a wormspindle adapted to bethrown into or out of engagement with the worm-wheel, a frictiondrum onthe worm-wheel shaft, and a handbrake cooperating with saidfriction-drum.

l. In a dumping-car, the combination with the main dumping-shaft, of anauxiliary worm-wheel shaft geared thereto, a wormspindle adapted to bethrown into or out of engagement with the worm-wheel, a frictiondrum onthe worm-wheel shaft, and a handbrake cooperating with saidfriction-drum, said hand-brake consisting of brake-shoes bearing againstopposite sides of the drum and connected by swinging links to anoperating-lever.

5. In a dumping-car, the combination with the dumping-shaft, of a drumgeared thereto, a power-cylinder, and rigging intermediate of thecylinder and drum, for transmitting motion from the cylinder to the drumand consequently to the dumping-shaft, said rigging consisting of ropessecured at one end to the drum-barrel and at the other end to a fixedpoint of attachment and passing over pulleys mounted upon the cylinder.

6. In a dumping-car, the combination of a movable cylinder inclosing afixed piston, pipes for admitting duid to said cylinder on oppositesides of the piston, and dumping- IOO gear connecting said cylinder tothe car-body.

7. In a dumping-car, the combination of a movable cylinder, a iixedpiston inclosed by said cylinder, a hollow perforated rod to which saidpiston is secured, pipes connected to said rod for admitting iiuid vtosaid cylinder on opposite sides of said piston, and dumping-gearconnecting said cylinder to the car-body.

8. In a dumping-car, a mechanism for rocking the body of said car,consisting essentially of the sliding cylinder containing a fixedpiston, means for admitting iiuid to said cylinder on each side of saidpiston, a drum, ropes connected to said drum and to fixed points ofattachment on the car and which pass around pulleys secured to saidcylinder, and a dumping-shaft having chain connection with the car-body,and a gear connection with said drum.

'9. In a dumping-car, the combination of a car-body, a shaft journaledto the car-body and provided with chain-wheels, chains connected to saidbody and passing over said chain-wheels, a drum geared to said shaft, asliding cylinder, ropes secured to the carbody and to said drum,andwhich pass around pulleys secured to said cylinder, a fixed pistonwithin said cylinder, a hollow piston-rod, pipes connecting respectivelywith the opposite ends of said piston-rod, and a valve for IOS IIO

IZO

Controlling the passage of fluid through said I In testimony whereof Iafx my signature pipes. in presence of two witnesses.

l0. In :L dumping-em', the combination with VV 1 w lhe releaslng-latehesfol` the lnnged snles Ol O L LAU] R 5 thereof, of fvietion-rolle1smounted to revolve lVitnesses:

freely in Contact with the rear side of the T. A. DOOLEY,

latches. II. E. CHANDLER.

